- Proto-Hindo-Ewropaki ra *newn-ti- ("neway")
- Proto-Aryaki ra
- Ewıstki: nawaiti- ("neway")
- Pehlewki: nawad ("neway")
- Farski: nawad ("neway")
- (Zazaki: nawāy) Alfabeyê Ariki
- Sanskritki: navatih- ("pancas")
- Horn, Paul. Dictionary of Persian Etymology (Strassburg, 1893),
- Watkins, Calvert. The American Heritage Dictionary of Indo-European Roots, 2nd ed., Houghton Mifflin Co., 2007. *Amazon.com ra,
- Lubotsky, Alexander. Indo-Aryan inherited lexicon . University of Leiden.
- Lubotsky, Alexander. The Indo-Iranian substratum. 1999. [1],
- Julius Pokorny's Indo-European Etymological Dictionary
|